Keywords: Chart in the hand of Dr John Dee. Steganographiae.png en Peniarth MS 423D is a volume of astrological texts written in Latin It is a transcript dated 1591 of Steganographia by Johannes Trithemius 1462-1516 which was originally written in the late 1490s Steganography is the act of writing in a secret code This version is in the hand of Dr John Dee Queen Elizabeth I's ˜favourite philosopher ™ 1591 Institution National Library of Wales Peniarth MS 423D object history credit line accession number 4396400 Cc-zero John Dee Shorthand Peniarth MS 423D Steganographia Images uploaded as part of NLW - WMUK collaboration |